<?php
class Mwc_SystemPoint_Block_Viplist_List extends Mage_Adminhtml_Block_Widget_Grid_Container{
    public function __construct(){
        parent::__construct();

        $this->_blockGroup = 'systempoint';
        $this->_controller = 'viplist_list';
        $this->_headerText = Mage::helper('systempoint')->__('VIP listing');
        $this->removeButton('add');
    }
}